40468820 has 24 divisors (see below), whose sum is σ = 97125504. Its totient is φ = 13874976.

The previous prime is 40468817. The next prime is 40468843. The reversal of 40468820 is 2886404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144392 + ... + 144671.

It is an arithmetic number, because the mean of its divisors is an integer number (4046896).

Almost surely, 2^40468820 is an apocalyptic number.

It is an amenable number.

40468820 is an abundant number, since it is smaller than the sum of its proper divisors (56656684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40468820 is a wasteful number, since it uses less digits than its factorization.

40468820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289079 (or 289077 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40468820 is about 6361.5108268398. The cubic root of 40468820 is about 343.3261212758.

The spelling of 40468820 in words is "forty million, four hundred sixty-eight thousand, eight hundred twenty".